Trapped-Ion Multiqubit Gates are Compatible with Scalable Quantum Error Correction
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914608569122816 |
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| author | Grossman, Ori Kadish, Yotam Gazit, Snir Ben-Kish, Amit Ozeri, Roee Shapira, Yotam |
| author_facet | Grossman, Ori Kadish, Yotam Gazit, Snir Ben-Kish, Amit Ozeri, Roee Shapira, Yotam |
| contents | We construct a detailed microscopic noise model for multi-qubit (MQ) gate operations in the context of trapped ion architecture with all-to-all connectivity. We find that phonon heating and motional dephasing are well captured by effective single- and two-qubit error channels that can, in principle, act between arbitrary pairs of qubits. Nevertheless, the median magnitude of two-qubit errors between uncoupled qubits is substantially smaller than that of errors between gate-coupled qubits. Errors associated with photon scattering are shown to solely propagate to qubits participating in gate operations. Lastly, we combine all noise sources, assigned with experimentally relevant parameters, and explore the scalability of a quantum error correction (QEC) scheme based on the rotated surface code, as a function of error rates and code size. Our analysis bridges device-level physics and QEC performance for MQ gates in trapped-ion architectures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_28536 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Trapped-Ion Multiqubit Gates are Compatible with Scalable Quantum Error Correction Grossman, Ori Kadish, Yotam Gazit, Snir Ben-Kish, Amit Ozeri, Roee Shapira, Yotam Quantum Physics We construct a detailed microscopic noise model for multi-qubit (MQ) gate operations in the context of trapped ion architecture with all-to-all connectivity. We find that phonon heating and motional dephasing are well captured by effective single- and two-qubit error channels that can, in principle, act between arbitrary pairs of qubits. Nevertheless, the median magnitude of two-qubit errors between uncoupled qubits is substantially smaller than that of errors between gate-coupled qubits. Errors associated with photon scattering are shown to solely propagate to qubits participating in gate operations. Lastly, we combine all noise sources, assigned with experimentally relevant parameters, and explore the scalability of a quantum error correction (QEC) scheme based on the rotated surface code, as a function of error rates and code size. Our analysis bridges device-level physics and QEC performance for MQ gates in trapped-ion architectures. |
| title | Trapped-Ion Multiqubit Gates are Compatible with Scalable Quantum Error Correction |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2605.28536 |